For polishing Alloy, metal, Jewellery, stones, Hard wood, etc.
10 different Grit from coarse to Ultra fine.
Rotate speed:3000-7000/minute
Do not polish the label when sanding, otherwise it will cause the entire sandpaper to be hashed.
The smaller the style
number, the more rough that the more efficient grinding; the larger the style
number, the more refined, the slower the grinding efficiency, it is
recommended from low to high polishing.